GPU Comparison
GEFORCE
NVIDIA GeForce GTX 770
CORE STATE
GK104
VRAM
2 GB
CLOCK SPEED
1085 MHz
TDP
230 W
BUS WIDTH
256 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2013
VS
GEFORCE
Tesla K20Xm
CORE STATE
GK110
VRAM
6 GB
CLOCK SPEED
—
TDP
235 W
BUS WIDTH
384 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2012
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
GTX 770
Tesla K20Xm
Core Specs
Shading Units
1,536
2,688
+75.0%
Shaders
1,536
2,688
+75.0%
TMUs
128
224
+75.0%
ROPs
32
48
+50.0%
Clocks
Base Clock
1046 MHz
—
Boost Clock
1085 MHz
—
GPU Clock
—
732 MHz
Memory Clock
1753 MHz
7 Gbps effective
1300 MHz
5.2 Gbps effective
Memory
Memory Size
2 GB
6 GB
VRAM (MB)
2,048
6,144
+200.0%
Memory Type
GDDR5
GDDR5
Memory Bus
256 bit
384 bit
Bandwidth
224.4 GB/s
249.6 GB/s
Cache
L1 Cache
16 KB (per SMX)
16 KB (per SMX)
L2 Cache
512 KB
1536 KB
Performance
Pixel Rate
34.72 GPixel/s
40.99 GPixel/s
Texture Rate
138.9 GTexel/s
164.0 GTexel/s
FP32 (TFLOPS)
3.333 TFLOPS
3.935 TFLOPS
FP64 (TFLOPS)
138.9 GFLOPS (1:24)
1,311.7 GFLOPS (1:3)
Power
TDP
230 W
235 W
TDP (W)
230
235
+2.2%
Suggested PSU
550 W
550 W
Power Connectors
1x 6-pin + 1x 8-pin
—
Architecture
Architecture
Kepler
Kepler
GPU Name
GK104
GK110
Generation
GeForce 700
Tesla Kepler
(Kxx)
Process Size
28 nm
28 nm
Transistors
3,540 million
7,080 million
Die Size
294 mm²
561 mm²
Foundry
TSMC
TSMC
Density
12.0M / mm²
12.6M / mm²
API Support
DirectX
12 (11_0)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.2.175
1.2.175
OpenCL
3.0
3.0
CUDA
3.0
3.5
Shader Model
6.5 (5.1)
6.5 (5.1)
Physical
Slot Width
Dual-slot
Dual-slot
Length
267 mm
10.5 inches
267 mm
10.5 inches
Height
111 mm
4.4 inches
—
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
No outputs
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Other
Launch Price
399 USD
7,699 USD
Production
End-of-life
End-of-life
Predecessor
GeForce 600
Tesla Fermi
Successor
GeForce 900
Tesla Maxwell